Sd Noname 9 Reservoir Report
Nearby: Sd Noname 119 Sd Noname 8
Last Updated: December 6, 2025
Sd Noname 9, located in Haakon, South Dakota, is a privately owned earth dam completed in 1953 with a primary purpose that is unspecified.
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Summary
This dam, standing at 19 feet tall and stretching 1340 feet in length, serves to regulate the flow of the TR-Bad River, with a storage capacity of 106 acre-feet. The dam is under the regulatory oversight of the South Dakota Department of Environment and Natural Resources (DENR), ensuring that it is inspected, permitted, and enforced according to state regulations.
With a significant hazard potential, Sd Noname 9 has not been rated for its condition assessment. Despite this, the dam has not raised immediate concerns and its emergency action plan status is currently unknown. The dam's location in Philip, South Dakota, makes it a critical infrastructure in the region, particularly for water resource management and flood control. As a part of the St. Paul District in South Dakota, this dam plays a crucial role in ensuring the safety and sustainability of the surrounding community and the local ecosystem.
Year Completed |
1953 |
Dam Length |
1340 |
Dam Height |
19 |
River Or Stream |
TR-BAD RIVER |
Primary Dam Type |
Earth |
Hydraulic Height |
19 |
Nid Storage |
106 |
Hazard Potential |
Significant |
Nid Height |
19 |
Seasonal Comparison
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Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Sd Noname 9